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Department Seminar by Michel DenuitExport this event to calendar

Friday, March 12, 2021 — 10:00 AM EST

Please Note: This seminar will be given online.

Actuarial Science and Financial Mathematics seminar series

Michel Denuit
Université catholique de Louvain

Link to join seminar: Hosted on Webex

Risk reduction by conditional mean risk sharing


This talk considers the conditional mean risk allocation for independent but heterogeneous losses that are gathered in an insurance pool, as defined by Denuit and Dhaene (2012, Insurance: Mathematics and Economics). The behavior of individual contributions to total losses is studied when the number of participants to the pool increases. It is shown that increasing the number of participants is always beneficial. The linear fair risk allocation approximating the conditional mean risk sharing rule is identified, providing practitioners with a useful simplification applicable within large pools.

The approximate number of participants required to keep the volatility of individual contributions within an acceptable range can also be obtained from the established asymptotic Normality.

This talk is based on several papers co-authored with Christian Robert from the Laboratory in Finance and Insurance (LFA), CREST, ENSAE, Paris.

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